Printing *s as triangles in Java?

Question

My assignment in my Java course is to make 3 triangles. One left aligned, one right aligned, and one centered. I have to make a menu for what type of triangle and then input

Answer 1

(a)   (b)        (c)   (d)
* ********** ********** *
** ********* ********* **
*** ******** ******** ***
**** ******* ******* ****
***** ****** ****** *****
****** ***** ***** ******
******* **** **** *******
******** *** *** ********
********* ** ** *********
********** * * **********

int line;
int star;
System.out.println("Triangle a");
        for( line = 1; line <= 10; line++ )
        {
            for( star = 1; star <= line; star++ )
            {

                System.out.print( "*" );
            }
            System.out.println();
        }

 System.out.println("Triangle b");

          for( line = 1; line <= 10; line++ )
        {
            for( star = 1; star <= 10; star++ )
            {

        if(line10-star)
                System.out.print( "*" );
                else
                  System.out.print(" ");
            }
            System.out.println();
        }